Sunheron logoSunheron
About SunheronFAQContactBlog
Find destination...
°C
  • About Sunheron
  • FAQ
  • Contact
  • Blog
  • °C

    Portugal

    Central Portugal weather in September 2025

    Portugal

    Central Portugal weather in September 2025

     

    Day

    23 °C

     

    Night

    16 °C

     

    Sea

    18 °C

     

    Precipitation

    37 mm

    in month

     

    Rainy days

    5 days

    in month

     

    Daylight

    12 hours

    average

     

    Sunshine

    8 hours

    average

     

    Humidity

    70 %

     

    Day

    23 °C

     

    Night

    16 °C

     

    Sea

    18 °C

     

    Precipitation

    37 mm

    in month

     

    Rainy days

    5 days

    in month

     

    Daylight

    12 hours

    average

     

    Sunshine

    8 hours

    average

     

    Humidity

    70 %

    Overview: Central Portugal
    In Central Portugal in September, the average air temperature ranges from 23 °C (73 °F) during the day to 16 °C (60 °F) at night. There are 5 days of rain on average, where the rainfall is 37 mm (1.48 in).

    Travel information

    Flights
    to
    Activities
    in Evora District

    Weather charts for Central Portugal

    Data backed by 40 years of history

    We make the most from 40 years of historical weather data to predict the best weather conditions.

    Selection of world's favourite destinations

    Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.

    16 500 000 weather records

    We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.

    Aerial view of architecture in Lisbon at dawn
    Lisbon
    Port in Porto with cloudy sky

    Find more destinations like this

    Activities in Central Portugal

    Destinations in Central Portugal

    Destinations with similar weather to Central Portugal


    Weather overview and FAQs

    Weather overview

    In Central Portugal in September, the average air temperature ranges from 23 °C (73 °F) during the day to 16 °C (60 °F) at night. There are 5 days of rain on average, where the rainfall is 37 mm (1.48 in).

    Is September a good month to visit Central Portugal?

    There are good conditions for visiting in Central Portugal in September. There are only 5 days of rain in the whole month, so you can leave your umbrella at home. There are some people, who may feel a slight chill at 23 °C (73 °F), but others will feel perfectly fine. A sea temperature of 18 °C (65 °F) can seem colder to some, but others will call it refreshing. The temperature of 16 °C (60 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

    What temperature can I expect during the day in Central Portugal in September?

    In September in Central Portugal, the average daily temperatures will be 23 °C (73 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

    What is the sea temperature in Central Portugal in September?

    The temperature of the sea in Central Portugal in September is 18 °C (65 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.

    How many days of precipitation on average can I expect in Central Portugal in September?

    In Central Portugal in September, we can expect 5 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.2 days of the week, or in general - 17 % days.

    What is the night temperature in September in Central Portugal?

    The average night temperature in Central Portugal in September is 16 °C (60 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.

    How many hours of sun to expect in September in Central Portugal?

    There is an average length of sunshine of 8 hours per day in Central Portugal in September.

    Is there a dry season in September in Central Portugal?

    Yes, there is a dry season in September in Central Portugal with just 5 days during the month being rainy.

    How humid is Central Portugal in September?

    In Central Portugal in September, expect humidity around 70 %.

    How windy is it in Central Portugal in September?

    In Central Portugal in September, there will be an average wind scale of 3.

    How long is the day (from dawn till dusk) in Central Portugal in September?

    The length of daylight in Central Portugal in September is 12 hours.

    Is the sea in Central Portugal warmer in September than in August?

    No, the sea temperature in September in Central Portugal is not higher than in August.

    Is the weather in Central Portugal warmer in September than in August?

    No, September is not warmer in Central Portugal than August.

    Is Central Portugal rainier in September than in October?

    No, in Central Portugal in September it does not rain more than in October.

    Is the temperature rising or falling in the course of time in Central Portugal in September?

    During September in Central Portugal, the day temperatures are decreasing - from 23 °C (74 °F) at the beginning of the month to 22 °C (71 °F) at the end of the month.

    Useful links

    Authentic Rio de Janeiro
    The flavours of Madeira
    5 European destinations to visit in autumn

    Our latest blog posts